<html>
<body>
Reports method references mapped to Comparator interface which don't fulfill its contract.
<p>
Some method references like <code>Integer::max</code> can be mapped to <code>Comparator</code> interface.
However using them as <code>Comparator</code> is meaningless and result might be unpredictable.
</p>
<!-- tooltip end -->
<p><small>New in 2016.3</small></p>
</body>
</html>